When you are in a public switched telephone network (PSTN) call, and you open a Conversation Window Extension (CWE), the call option controls are covered by the CWE without any way to access the controls without closing the CWE

Lync client doesn’t show all the fonts if the computer has more than 1,000 fonts

KB3112864 Media setup may fail and all media diagnostics information is missing in Lync 2013 (Skype for Business)

KB3114326 A hyperlink that is copied from Internet Explorer can’t be pasted into Lync 2013 (Skype for Business)

KB3114325 Response Group Service group member notification is displayed frequently in Lync 2013 (Skype for Business)KB3112796 Adds a new GPO to control which proxy setting is used when both PAC and manual proxy are used in Skype for Business

KB3101548 Attendees can’t see the shared desktop when they join an online meeting as anonymous users in Lync 2013